Finding the Fourth Proportional to 253,953.97, 380,596.74 and 141,687.05
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Solution
The fourth proportional to 253,953.97, 380,596.74 and 141,687.05 is: 212,344.11
Step by Step Solution
- Step 1: Write the proportion equation
253,953.97 : 380,596.74 = 141,687.05 : x - Step 2: Convert to fraction form
253,953.97/380,596.74 = 141,687.05/x - Step 3: Cross multiply
253,953.97x = 380,596.74 × 141,687.05 - Step 4: Simplify right side
253,953.97x = 53,925,629,330.22 - Step 5: Solve for x
x = 53,925,629,330.22/253,953.97 - Step 6: Final answer
x = 212,344.11
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.